Colorado’s top outdoor destinations go head-to-head in this March Madness inspired bracket. From mountain peaks to hidden ...

As college basketball players vie for one shining moment, we imagine an impossible challenge between some of Colorado’s ...

You don't have to travel far to see some of the world's most stunning natural wonders. From shimmering turquoise lakes to majestic mountaintops, these are the places in each state that are sure to ...

NASA's Landsats captured views of a Swiss glacier 40 years apart, showing how a warming world has reduced its footprint.

Paleontologists have unveiled a 30,000-year-old vulture fossil in Italy, preserved in volcanic ash, showcasing microscopic ...

What lay beyond these pillars was then unknown. Today, we know one of these pillars as the Rock of Gibraltar, a part of the ...